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Let be a real analytic manifold, a closed subanalytic subset of . We show that the Whitney–de Rham complex over is quasi-isomorphic to the constant sheaf .
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Hou-Yi Chen, A Poincaré lemma for Whitney–de Rham complex. Rend. Sem. Mat. Univ. Padova 135 (2016), pp. 151–156DOI 10.4171/RSMUP/135-8